MCQOPTIONS
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| 1. |
For an extruded material like a rod, the outer surface of the product will be _______ while the inner surface will be __________ and surfaces appearance is also _______ |
| A. | hard, soft, smooth |
| B. | soft, hard, smooth |
| C. | hard, soft, rough |
| D. | soft, hard, rough |
| Answer» B. soft, hard, smooth | |